CN106605346A - Electricity storage control device - Google Patents
Electricity storage control device Download PDFInfo
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- CN106605346A CN106605346A CN201580046994.3A CN201580046994A CN106605346A CN 106605346 A CN106605346 A CN 106605346A CN 201580046994 A CN201580046994 A CN 201580046994A CN 106605346 A CN106605346 A CN 106605346A
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- storage device
- discharge
- electrical storage
- charge rate
- time period
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M3/00—Feeding power to supply lines in contact with collector on vehicles; Arrangements for consuming regenerative power
- B60M3/06—Arrangements for consuming regenerative power
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
- H02J3/322—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means the battery being on-board an electric or hybrid vehicle, e.g. vehicle to grid arrangements [V2G], power aggregation, use of the battery for network load balancing, coordinated or cooperative battery charging
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
- H02J7/1423—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle with multiple batteries
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
- H02J7/16—Regulation of the charging current or voltage by variation of field
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
According to an embodiment of the present invention, an electricity storage control device is provided with a setting unit and a control unit. The setting unit sets, by each time zone, a target charging rate of a power quantity to be stored by means of an electricity storage device in each time zone. The control unit controls charging and/or discharging of the electricity storage device on the basis of the target charging rate of each time zone, said target charging rate having been set by means of the setting unit, a charging rate detected by means of the electricity storage device, and a voltage of a supply destination to be supplied with power by means of the electricity storage device.
Description
Technical field
Embodiments of the present invention are related to power storage controller.
Background technology
In the past, in railway cause, energy-saving is realized in implementation.For example, train is sent in braking by contact line
The regeneration brake system that regenerated electric power is circulated to other trains and utilized is widely used.In the regeneration brake system, when
When there is the train of power operation near the train braked, the regenerated electric power that train is produced supplies the train, when not depositing
In the train of power operation, regenerated electric power is then not used and becomes unnecessary.
In recent years, the performance for carrying out electrical storage device is improved and cost reduction.It is therefore proposed that a kind of accumulating system, should
Accumulating system to electrical storage device electric power storage, and utilizes as needed the electric power of electric power storage in the case where regenerated electric power is not used.
Citation
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2012-166646 publications
The content of the invention
Invent technical problem to be solved
The variation of the electrical load based on the time period of railway passenger conveying is larger, and the electric power for expecting rush hour is cut down.
However, in conventional technology, not in view of rush hour section electric energy reduction, but during in spite of being peak
Between, all carry out identical electric power storage control.
The present invention be in view of above-mentioned technical problem and make, propose a kind of to carry out corresponding with time period electric power storage control
Power storage controller.
For solving the scheme of technical problem
The power storage controller of embodiment possesses configuration part and control unit.In units of the time period, setting stores for configuration part
Electric installation should be in the target charge rate of the electric energy of the time period electric power storage.Control unit is according to each time period set by configuration part
Target charge rate, the charge rate that detects from electrical storage device and electrical storage device electric power supply object voltage, carry out
Control more than any one in the charging and electric discharge of electrical storage device.
Description of the drawings
Fig. 1 is the figure of the configuration example of the Railway System for illustrating embodiment.
Fig. 2 is the figure of the flow direction of the structure of the accumulating system that example goes out embodiment and data.
Fig. 3 is the figure of a part for the prediction data of the prediction generating unit generation that example goes out embodiment.
Fig. 4 is the figure of the discharge and recharge plan of the plan generating unit generation that example goes out embodiment.
Fig. 5 is the figure of the charge-discharge characteristic correspondence table for being stored in characteristic correspondence table storage part that example goes out embodiment.
Fig. 6 is the electric energy loaded of the feed system equipment that example goes out embodiment and passage by electric electric energy is schemed.
Fig. 7 is the figure of the charge rate with the transformation of target charge rate of the electrical storage device for illustrating embodiment.
Fig. 8 is the voltage of the contact line that example goes out embodiment, charging starts the transformation of voltage and discharge ionization voltage
Figure.
Fig. 9 is the flow chart of the process of the charge and discharge control of the control device of the accumulating system for illustrating embodiment.
Figure 10 is the figure of the flow direction of the structure of the accumulating system that example goes out variation and data.
Specific embodiment
Fig. 1 is the figure of the configuration example of the Railway System for illustrating embodiment.As shown in figure 1, Railway System is by accumulating system
101st, constituted by controller switching equipment 110, feed system equipment 113 and each station equipment 112.
It is made up of powered transformer 109, distribution transformer 111 and rectifier 108 by controller switching equipment 110, and will be from change
Each structure of the power supply Railway System of the supply of power station 114.
Powered transformer 109 receives alternating electromotive force from transformer station 114.Distribution transformer 111 is connect to powered transformer 109
A part for the alternating electromotive force of receipts is depressured, and by means of distribution system 106, supplies power to each station equipment 112.Rectifier
The alternating electromotive force that powered transformer 109 is received is converted to direct current power by 108, and by means of (for example, the frame of contact line 107
Line), supply power to train 102.
Distribution system 106 be for by electric power from the system for being supplied each station equipment 112 by controller switching equipment 110.
Each station equipment 112 is escalator, lighting machine, OA machines even load and solar electrical energy generation in including standing etc.
The equipment of power supply.
Feed system equipment 113 is made up of contact line 107 and train 102.Train 102 by means of contact line 107 by supplying
The electric power operation given, and by means of contact line 107, by by the regenerated electric power of regeneration generation supply other trains and/or
Accumulating system 101.
Accumulating system 101 possesses electrical storage device 103, power inverter 105 and control device 104, for stably supplying
To the electric power of feed system equipment 113.The accumulating system 101 of present embodiment, will be from feed according to the control of control device 104
The remaining regenerated electric power electric power storage of the output of train 102 in system equipment 113 processes electric power storage to electric power storage dress to electrical storage device 103
103 electric power is put, is used using the power operation power as train 102.Thereby, it is possible to effectively utilizes residue regenerated electric power.
Power inverter 105 receives remaining regenerated electric power from contact line 107, and supplies power to contact line 107, to mend
Repay assigned voltage.
Control device 104 controls electrical power conversion according to the voltage of contact line 107 and/or the state of power inverter 105
The electric power transmitting-receiving of device 105, and carry out the discharge and recharge of electrical storage device 103.Control of the electrical storage device 103 according to control device 104
System, preserves the remaining regenerated electric power by means of the supply of contact line 107, and by the power supply contact line 107 of electric power storage.
In the past, when train is stopped by applying braking, if nearby there are operating other trains of power,
The regenerated electric power for then being produced by braking supplies other trains.On the other hand, when other trains operating without power, by
In can not produce regenerated electric power, therefore regenerative braking can not be used, but be stopped by mechanical braking.
For this, in the Railway System of present embodiment, when other trains operating without power, by arranging
Accumulating system 101 enables remaining regenerated electric power to be stored in electrical storage device 103 by power inverter 105.Thus, though
In the case of without operating other trains of power, train 102 also being capable of effectively utilizes regenerative braking.And, being capable of basis
Needs make the remaining regenerated electric power stored supply the feed system equipment 113 for including the grade of train 102.
Next, illustrating to the structure of accumulating system 101.Fig. 2 is the accumulating system 101 that example goes out present embodiment
Structure and data flow direction figure.In the example shown in Fig. 2, control device 104 is by relative to power inverter
105 output orders, so as to control power inverter 105 and electrical storage device 103.Thus, the electric power storage of electrical storage device 103 is carried out
And electric discharge.
As shown in Fig. 2 control device 104 is by data saving part 126, prediction generating unit 121, plan generating unit 122, target
Value configuration part 123, charge-discharge characteristic configuration part 124 and charge/discharge control unit 125 are constituted.
Data saving part 126 in units of the time period, preserve from transformer station 114 supply feed system equipment 113 electric energy,
The recyclable remaining regenerative electric energy and electrical storage device 103 to electrical storage device 103 in the regenerated electric power that train 102 is produced
Statistics shown by charge capacity and discharge capacity etc..In the present embodiment, with season, week, weather, temperature, train fortune
The conditions such as row situation are unit, store the statistics.
Prediction generating unit 121 is generated (to be received in the electric energy from supply object of transformer station 114 (feed system equipment 113)
Piezoelectric transformer 109 from transformer station 114 receive by electric energy) and supply object (feed system equipment 113) produce again
The prediction data of the remaining regenerative electric energy in each time period of electrical storage device 103 is supplied in raw electric power.In the present embodiment, though
So as the time period, the prediction data of electric power was generated in units of 30 minutes, but be not that the time period is limited to 30 points
Clock is unit.
The prediction generating unit 121 of present embodiment according in the statistics of data saving part 126 is stored in season,
The related higher statistics of the situation on the same day such as week, weather, temperature and train operating conditions, generates prediction data.Example
Such as, multiple statistics are given with prior information, and using the statistics of the highest prior information for imparting accreditation correlation.
Additionally, in the present embodiment, although to the situation as the same day by season, week, weather, temperature and train operating conditions
The example for all using is illustrated, but is not limited in all using, as long as using more than any one.
Fig. 3 is the figure for the part that example goes out to predict the prediction data that generating unit 121 is generated.In figure 3, it was with 30 minutes
Unit illustrates the electric energy for supplying feed system equipment 113 from transformer station 114 and the residue produced in feed system equipment 113 again
Raw electric energy.
For example, 4：30 to 5：00, the electric energy for illustrating supply is " 527 [kWh] ", remaining regenerative electric energy is " 12 [kWh] ",
5：00 to 5：30, the electric energy for illustrating supply is " 689 [kWh] ", remaining regenerative electric energy is " 31 [kWh] ".
As shown in figure 3,7：00 to 10：In 00 time period, the consumption electric power of feed system equipment 113 peaks.
Therefore, in the control device 104 of present embodiment, in such rush hour section, to try one's best from electrical storage device 103 electricity is supplied
The mode of power is controlled.Thereby, it is possible to mitigate load of the transformer station 114 in rush hour section.
Fig. 2 is back to, plan generating unit 122 is generated for controlling according to the prediction data generated by prediction generating unit 121
The discharge and recharge plan of the charge rate of electrical storage device 103.Electrical storage device 103 can by carrying out discharge and recharge according to discharge and recharge plan,
So as to cut down the peak power by electric energy of transformer station 114.
The plan generating unit 122 of present embodiment generates discharge and recharge plan, and the discharge and recharge is planned in units of the time period
During sets target charge rate, the time period higher than other times section for electric power consumption, set less than the other times section
Target charge rate.
For example, in discharge and recharge in the works, the plan that target charge rate is reduced in rush hour section is formulated, and by from electric power storage
Device 103 is discharged, and is cut down by electric electric energy.
That is, when the residual capacity of electrical storage device 103 is bigger than target charge rate, increasing the electric power of transformer station 114
Reduction.And, when the residual capacity of electrical storage device 103 is fewer than target charge rate, the electric power for reducing transformer station 114 is cut down
Amount.Therefore, when target charge rate is adjusted, and the difference between the residual capacity of electrical storage device 103 also changes.Thus, energy
Enough adjust the electric power reduction of transformer station 114.
Now, plan generating unit 122 consider electrical storage device 103 and/or power inverter 105 rated output and/
Or capacity, make attainable discharge and recharge plan.Additionally, when the nickel-hydrogen secondary cell used in electrical storage device 103 or lithium from
During sub- secondary cell, it is however generally that, it is known that the discharge and recharge of deeper depth of discharge can have undesirable effect to the life-span.Therefore, count
Draw the species of generating unit 122 and the electrical storage device 103 for using correspondingly, generate discharge and recharge plan, not produce to the life-span as far as possible
Discharge and recharge is carried out in the range of raw harmful effect.In addition, working as dropping relative to electricity expense or electric power in units of the time period
During low weighted, plan generating unit 122 is it is also contemplated that these weightings, generate discharge and recharge plan.In addition, it is also possible to
When discharge and recharge plan is generated, using various Techniques of Optimum.
Fig. 4 is the figure of the discharge and recharge plan of the generation of plan generating unit 122 that example goes out present embodiment.Shown in Fig. 4
In example, as discharge and recharge plan, the target charge rate set in units of 30 minutes is shown.
In the example shown in Figure 4, for example, 6：30 to 7：Target charge rate between 00 is 85%, 7：00 to 7：30 with
And 7：30 to 8：Target charge rate between 00 is set as 75.8%, 8：00 to 8：Target charge rate between 30 is set as
66.9%, 8：30 to 9：Target charge rate between 00 is set as 58.3%.
That is, because the target charge rate of electrical storage device 103 is 7：00 to 8：Decline between 30, therefore, in order that
Actual residual capacity follows target charge rate, and the trend for carrying out control of discharge by electrical storage device 103 becomes strong.Therefore, from storage
Electric installation 103 is to the supply electric power of feed system equipment 113.What the transformer station 114 therefore, it is possible to cut down from rush hour section supplied
Electric energy.
The discharge and recharge plan that according to schedule generating unit 122 is generated of desired value configuration part 123, in units of the time period, setting
As the target charge rate that electrical storage device 103 should be illustrated in the benchmark of the electric energy of the time period electric power storage.By filling according to this
Discharge gage delineates the charge rate that sets the goal, and can realize based on prediction data, each time period generated by prediction generating unit 121
Target charge rate setting.Additionally, in the present embodiment, although the target of charging is illustrated with rate, but can also be
Numerical value (target charge value).
For example, desired value configuration part 123 is 7 at current time：When 33, discharge and recharge is planned 7：30 to 8：00 target
Charge rate (a reference value for for example, 75.8%) being set as adjusting the charge rate of electrical storage device 103.
Charge-discharge characteristic configuration part 124 is according to target charge rate, the charge rate detected from electrical storage device 103 and from feedback
The voltage that the contact line 107 of electric system equipment 113 is detected, the discharge and recharge for setting power inverter 105 starts voltage.
But, when the deceleration along with train 102 produces regenerated electric power, because electric current is arranged from train 102 towards other
Wagon flow is moved, therefore the supply voltage of the voltage ratio standard of contact line 107 is high.In addition, when train 102 accelerates, due to electric current from
Transformer station 114 to train 102 flows, therefore the voltage step-down of contact line 107.Therefore, in the present embodiment, by contact line
107 voltage controls the discharge and recharge of electrical storage device 103.
The charge-discharge characteristic configuration part 124 of present embodiment is according to the discharge and recharge for being stored in characteristic correspondence table storage part 127
Characteristic, the charging for setting power inverter 105 starts voltage and discharge ionization voltage.Fig. 5 is that example goes out present embodiment
The charge-discharge characteristic correspondence table for being stored in characteristic correspondence table storage part 127 figure.In Figure 5, transverse axis represents electric car line voltage,
The longitudinal axis represents the output current of electrical storage device 103.
Shown in Fig. 5 charge-discharge characteristic correspondence table be target charge rate be " 50% " when example.(A) in Fig. 5 be
The charge rate of electrical storage device 103 is less than the table used during target charge rate.(B) in Fig. 5 is the charge rate in electrical storage device 103
The table used when same or like with target charge rate.(C) in Fig. 5 be electrical storage device 103 charge rate be more than target
The table used during charge rate.
When the charge rate of electrical storage device 103 is same or like with target charge rate, the charge and discharge shown in (B) in Fig. 5
Establish beginning voltage by cable to be set by charge-discharge characteristic configuration part 124.In the example shown in (B) in Figure 5, charge-discharge characteristic sets
Determine setting discharge ionization voltage of portion 124 " Vd1 " and charge to start voltage " Vc1 ".In general, charge starting voltage " Vc1 "
It is the voltage higher than standard feed voltage V0 (not shown), and is carried out in the way of the circulation between the train of without prejudice to regenerated electric power
Setting.In addition, discharge ionization voltage " Vd1 " is set as the voltage lower than standard feed voltage V0.
And, electric car line voltage be less than or equal to discharge ionization voltage " Vd1 " in the case of, charge/discharge control unit 125 with
As the mode that the voltage of contact line 107 declines and increases output current (discharge current) is controlled.In addition, in contact line electricity
Less than in the case of " Vd2 ", charge/discharge control unit 125 is carried out pressure in the way of being discharged from electrical storage device 103 with current value " Id "
Control.Specifically, charge/discharge control unit 125 generates the command value based on the discharge current of charge-discharge characteristic, and as charge and discharge
Electric command value is exported to power inverter 105.
Further, in the case where electric car line voltage is more than or equal to " Vc1 ", charge/discharge control unit 125 is with contact line
The mode that voltage rises and increases input current (charging current) is controlled.In the case where electric car line voltage is more than " Vc2 ",
Charge/discharge control unit 125 in the way of the charging of electrical storage device 103 with current value " Ic " to be controlled.Specifically, discharge and recharge
Control unit 125 generates the command value based on the discharge current of charge-discharge characteristic, and exports to electric power turn as discharge and recharge command value
Changing device 105.
In the case where the charge rate of electrical storage device 103 is less than target charge rate, the charge and discharge shown in (A) in Fig. 5 is established by cable
Beginning voltage is set by charge-discharge characteristic configuration part 124.In the example shown in (A) in Figure 5, charge-discharge characteristic configuration part 124
Setting discharge ionization voltage " Vd1 ' " and beginning voltage " Vc1 ' " (additionally, Vd1 ' ＜ Vd1, Vc1 ' ＜ Vc1) of charging.Discharge and recharge
Control unit 125 is only that desired value is different, other with Fig. 5 in (B) same control, omit the description.
It is normal situation with discharge ionization voltage value in the case where discharge ionization voltage value is relatively low ((A) in Fig. 5)
((B) in Fig. 5) is compared, and if the magnitude of voltage of contact line 107 is not lower, is not then discharged from electrical storage device 103.Cause
This, the discharge capacity from electrical storage device 103 tails off.That is, in (A) of Fig. 5, electrical storage device 103 is set as easily storage
Electricity, and it is difficult electric discharge.
In the case where the charge rate of electrical storage device 103 is more than target charge rate, the charge and discharge shown in (C) in Fig. 5 is established by cable
Beginning voltage is set by charge-discharge characteristic configuration part 124.In the example shown in (C) in Figure 5, charge-discharge characteristic configuration part 124
Setting discharge ionization voltage " Vd1 " " and beginning voltage " Vc1 " of charging " (additionally, Vd1 " ＞ Vd1, Vc1 " ＞ Vc1).Discharge and recharge
Control unit 125 is only that desired value is different, other with Fig. 5 in (B) same control, omit the description.
It is normal situation with discharge ionization voltage value in the case where discharge ionization voltage value is higher ((C) in Fig. 5)
((B) in Fig. 5) is compared, and if the magnitude of voltage of contact line 107 is not higher, is not then charged to electrical storage device 103.Cause
This, the charge volume carried out to electrical storage device 103 tails off.Thus, in (C) of Fig. 5, electrical storage device 103 is set as easily electric discharge,
And it is difficult electric power storage.
Additionally, in the present embodiment, using the charge-discharge characteristic correspondence table shown in Fig. 5 as in units of target charge rate
The example of setting.That is, charge-discharge characteristic configuration part 124 is read charging with the target set by desired value configuration part 123
The corresponding charge-discharge characteristic correspondence table of rate, carries out above-mentioned control.Specifically, target charge rate is higher, charges and starts voltage
" Vc1 " and discharge ionization voltage " Vd1 " are lower.On the other hand, target charge rate is lower, charge start voltage " Vc1 " and
Discharge ionization voltage " Vd1 " is higher.So, by using the charge-discharge characteristic corresponding table corresponding with target charge rate, making
The mode of the close target charge rate of electric power storage rate of electrical storage device 103 is controlled.
Thus, charge/discharge control unit 125 in units of the time period, is selecting multiple corresponding with the target charge rate of setting
Charge-discharge characteristic correspondence table after, from select multiple charge-discharge characteristics correspondence table in, it is specific with detect from electrical storage device 103
The corresponding corresponding table of charge-discharge characteristic of difference between the charge rate for arriving and target charge rate.And, charge/discharge control unit 125
According to the discharge ionization voltage value and charge beginning magnitude of voltage and contact line 107 that are specified with specific charge-discharge characteristic correspondence table
Voltage between comparative result, carry out electrical storage device 103 charging, electric discharge control.
In the present embodiment, the example in units of target charge rate, maintaining charge-discharge characteristic correspondence table is carried out
Explanation.But, present embodiment is not limited in units of target charge rate, corresponding to be associated with charge-discharge characteristic correspondence
The situation of table.As variation, it is also possible to which (for example, target charge rate is the charge-discharge characteristic correspondence table on the basis of maintaining into
50% charge-discharge characteristic correspondence table) and, in order to become the charging corresponding with target charge rate start magnitude of voltage and
Discharge ionization voltage value and adjust charge-discharge characteristic correspondence table (for example, target charge rate be 50% charge-discharge characteristic correspondence table)
Deviant.
In such variation, charge-discharge characteristic configuration part 124 can be by with relative with the target charge rate for obtaining
The deviant answered generates the corresponding charge-discharge characteristic pair of target charge rate with acquisition adjusting charge-discharge characteristic correspondence table
Answer table.Due to using the process of the charge-discharge characteristic correspondence table after generating identical with above-mentioned process, therefore omit the description.
Further, as different technologies, charge-discharge characteristic configuration part 124 is not to maintain charge-discharge characteristic correspondence table, and
Can be to generate the charge-discharge characteristic corresponding with the target charge rate for obtaining.As the generation skill of such charge-discharge characteristic
Art, it is also possible to using various technologies.
Charge/discharge control unit 125 according to by desired value configuration part 123 setting each time period target charge rate, from
Charge rate and the voltage of supply object, the i.e. contact line 107 of the electric power of electrical storage device 103 that electrical storage device 103 is detected, make
Control more than any one in the charging and electric discharge of electrical storage device 103 is carried out with power inverter 105.It is concrete and
Speech, the charge/discharge control unit 125 of present embodiment is according in the target with each time period set by desired value configuration part 123
Charge specified in the corresponding charge-discharge characteristic correspondence table of charge rate start magnitude of voltage and discharge ionization voltage value with, in electricity
The magnitude of voltage detected in fare 107, calculates the discharge and recharge command value of electrical storage device 103, so as to control power inverter
105。
Next, the effect in the case of to being controlled by control device 104 is illustrated.Fig. 6 is that example goes out feed
The electric energy loaded and passage by electric energy of system equipment 113 is schemed.In the passage shown in Fig. 6, it is able to confirm that in load electricity
The time period (such as 7 on peak can be become：00) when nearby, compared with electric energy loaded, by electric energy electric power width 601 is only cut down.
Electric energy loaded in railway cause is referred to buying commercial power and making in the operation of train or station etc.
With the value that collected of electric energy.
That is, in the present embodiment, by the way that the remaining regenerated electric power electric power storage produced in train 102 is filled in electric power storage
103 are put, and in the time period for becoming peak, carries out the control of the target charge rate of reduction electrical storage device 103, increased from electric power storage dress
Put 103 electric energy for being discharged to feed system equipment 113.Thereby, it is possible to reduce from transformer station 114 by electric energy.Thus, exist
In present embodiment, can realize regenerating preventing and energy-conservation for failure.
In the past, the feelings that the discharge and recharge for carrying out to electrical storage device is carried out in the way of keeping the charge rate of fixed electrical storage device
Condition is more.This is, because the charge rate by making electrical storage device is in intermediateness, to make charging, electric discharge be always possible shape
State, therefore, it is possible to reliably utilize electrical storage device.At the same time, equipment efficiency of usage is improved.Further, when in electrical storage device
During using secondary cell, the harmful effect caused to battery life for particularly causing because of over-discharge can be controlled.However, not
By whether being rush hour section, when such control is carried out, although in rush hour section to electrical storage device electric power storage, it is also possible to
The situation about being increased by electric energy from transformer station can be produced.
For this, in the present embodiment, by making the target charge rate of electrical storage device 103 not affecting on the life-span or
Person affects to be changed in less scope, can cut down the peak power by electric electric energy.
Fig. 7 is the figure of the transformation of the charge rate and target charge rate for illustrating electrical storage device 103.As shown in fig. 7, towards load
Electric energy becomes the 7 of peak：Near 00, it is set as target charge rate step-down.And, to follow the side of the target charge rate of setting
Formula, gradually decreases the charge volume of electrical storage device 103.By reducing charge volume, and discharge from electrical storage device 103, height can be realized
Peak time section is cut down by electric energy.
On the other hand, control device 104 can by with the electric energy loaded less time period, climbing target charge rate
Mode sets, and realization carries out electric power storage in the time period to electrical storage device 103.
Fig. 8 is that example goes out the voltage of contact line 107, the figure of the transformation for starting voltage and discharge ionization voltage of charging.
In example shown in Fig. 8, from the table corresponding with the charge-discharge characteristic that target charge rate specifies of the charge rate according to electrical storage device 103
Derive to charge and start voltage and discharge ionization voltage.And, when the voltage of contact line 107 exceedes charges beginning voltage, carry out
Charge, when the voltage of contact line 107 is less than discharge ionization voltage, discharged.Because the voltage of contact line 107 passes through electric car
Operation etc. change, therefore continually exceed to charge and start voltage or less than discharge ionization voltage.Therefore, it is repeated
To the discharge and recharge of electrical storage device 103, if the charge volume within specified time limit exceedes discharge capacity, the charging of electrical storage device 103
Amount increases, if charge volume is less than discharge capacity, charge volume declines.
In example illustrated in fig. 8, it is able to confirm that in switch target charge rate, charges and start voltage and put
Establish beginning voltage drastic shift by cable.Afterwards, due to the close target charge rate of the charge rate of electrical storage device 103, therefore, it is possible to confirm to connect
(in other words, identical with the charge rate of the electrical storage device 103 or close situation of target charge rate) charging of nearly standard starts
Voltage and discharge ionization voltage.As described above, being charged by adjustment starts voltage and discharge ionization voltage, can be by discharging
Electric energy and regenerative electric energy cut down by the peak power in electric electric energy.
Next, illustrating to the charge and discharge control of the control device 104 of the accumulating system 101 of present embodiment.Fig. 9
It is the flow chart of the process of the above-mentioned process of the control device 104 of the accumulating system 101 for illustrating present embodiment.
First, predict that generating unit 121 determines whether that perform prediction processes (step S901).For example, when pre- in execution last time
After survey is processed, when producing the reasons such as the situation of weather etc. changes or operational plan generation is changed, at Predicated execution prediction
Reason.In addition, being not intended to limit determinating reference, it is also possible to for example when the prediction from last time was processed through the stipulated time, Predicated execution
Prediction is processed.Stipulated time can consider such as 5 minutes intervals etc., but can also be according to embodiment, when setting appropriate
Between.Further, when the necessary condition for being used to be predicted is changed (for example, when train schedule becomes
When more) etc. can not also perform prediction.And, (step S901 when judging that perform prediction is not processed：It is no), into step
S903。
On the other hand, (step S901 when predicting that the prediction of the Predicated execution of generating unit 121 is processed：It is), according to being stored in number
According to the statistics of storage unit 126, the prediction number of the electric energy loaded and remaining regenerative electric energy of feed system equipment 113 is calculated
According to (step S902).
Afterwards, plan generating unit 122 and determine whether that executive plan processes (step S903).For example, according in generation last time
Discharge and recharge plan after, if calculate new prediction data, determine whether executive plan process.In addition, it is also possible to root
Whether it is not need discharge and recharge plan according to the deviation between the charge rate and charge rate rate target detected by electrical storage device 103
The scope for replaning, determine whether executive plan process.(step S903 when judging that not executive plan is processed：It is no), proceed to
Step S905.
On the other hand, (step S903 when planning the Predicated execution plan of generating unit 122 and processing：It is), according to prediction data,
Generate the discharge and recharge plan (step S904) of electrical storage device 103.
Next, desired value configuration part 123 determines whether sets target charge rate (step S905).For example when setting in last time
Through the stipulated time after fixed, and the setting of target charge rate is carried out when regenerating discharge and recharge plan.For example, charging in change
In the case of the cycle of rate rate target, resetting for target charge rate is also carried out.(the step when not sets target charge rate is judged
S905：It is no), proceed to step S907.
On the other hand, (step S905 when desired value configuration part 123 judges sets target charge rate：Be), from it is current when
Carve and discharge and recharge plan, set current target charge rate (step S906).
Next, charge-discharge characteristic configuration part 124 is according to the target charge rate of setting and filling for current electrical storage device 103
Electric rate, setting charge-discharge characteristic (charge and start magnitude of voltage and discharge ionization voltage value) (step S907).
And, charge/discharge control unit 125, by means of power inverter 105, is stored according to the charge-discharge characteristic of setting
The charge and discharge control (step S908) of electric installation 103.
Afterwards, charge/discharge control unit 125 judges whether charge and discharge control terminates (step S909).When judgement charge and discharge control
(step S909 at the end of not：It is no), start to be processed again from step S901.
(variation 1)
In addition, present embodiment is not limited in generating prediction number according to the statistics for being stored in data saving part 126
According to generation technique.Used as variation, control unit of illustrating possesses the example of feed simulation part, and the feed simulation part is transported according to train
Row timetable, route conditions, vehicle condition, feed circuit condition etc., simulate the operational plan of train.
Figure 10 is the figure of the flow direction of the structure and data of the accumulating system 1000 that example goes out this variation.This variation
Control device 1001 is the example that feed simulation part 1011 is added in the control device 104 of embodiment.
Feed simulation part 1011 is obtained with during the operation of the current running train 102 of the power of feed system equipment 113
Table etc. is carved, and according to the operational plan, simulates the regenerated electric power and load electric of train 102 when power runs etc..
And, prediction generating unit 121 generates each time period according to the result of the simulation carried out by feed simulation part 1011
Prediction data.
That is, when running according to timetable, as long as using the statistics for being stored in data saving part 126 i.e.
Can, but there is the situation that time of running table is adjusted because of the reason such as weather or accident.Sometimes it is consistent with such situation
Statistics is not stored in data saving part 126.Therefore, carried out and the current time of running by feeding simulation part 1011
Table is simulated accordingly, and prediction generating unit 121 can generate prediction data corresponding with current situation.Process afterwards and enforcement
Mode is identical, omits the description.
Thus, prediction generating unit 121 can also select appropriate mode to be predicted from multiple prediction modes, it is the plurality of pre-
Survey mode is, for example, when in the time of running table of train without it is chaotic when, according to being stored in the past of data saving part 126
Statistics is predicted, and when the confusion reigned in the time of running table of train, is predicted by feeding simulation part 1011
Deng.
(variation 2)
Further, as other technologies, predict generating unit 121 can also according to be set in prediction day time-table in
The train quantity in units of one hour, the consumption energy original unit of train (with unit distance and Unit Weight or car
For unit the consumption energy), renewable sources of energy original unit, the average regeneration crash rate of different time sections etc., generate prediction data.
In above-mentioned embodiment and variation, although the supply object of the electric power to being stored in electrical storage device 103 is
The situation of feed system equipment 113 is illustrated, but is not meant to limit supply object, both can be each station for example
Equipment 112, or other equipment.
In addition, in the above-described embodiment, although to being said charge rate as the example that desired value is set
It is bright, but it is not limited in charge rate, or charging voltage etc..
In above-mentioned embodiment and variation, by so that charge rate follows the target set in units of the time period
The mode of value controls electrical storage device, can carry out charge and discharge control corresponding with the time period.Thereby, it is possible to mitigate rush hour section
Electric power load.
Although being illustrated to several embodiments of the invention, these embodiments are to propose as an example
, it is not intended that limit the protection domain of invention.These novel embodiments can be implemented in other various modes, not inclined
In the range of invention objective, various omissions, replacement, change can be carried out.These embodiments or its deformation are included in invention
Protection domain or objective in, also, be included in described in claims invention and its equivalent protection domain in.
Claims (7)
1. a kind of power storage controller, it is characterised in that possess：
Configuration part, in units of the time period, setting electrical storage device should be in the target charge rate of the electric energy of the time period electric power storage；With
And
Control unit, the target charge rate according to each time period set by the configuration part, from electrical storage device inspection
The voltage of the supply object of the charge rate that measures and the electric power of the electrical storage device, carry out the electrical storage device charging and
Control more than any one in electric discharge.
2. power storage controller according to claim 1, it is characterised in that
The control unit carries out the electrical storage device according to the comparative result between the voltage of reference voltage and the supply object
Charging and electric discharge in any one more than control, the target of the reference voltage each time period of correspondence charges
Difference between rate and the charge rate that detects from the electrical storage device and set, for starting to discharge or charging.
3. power storage controller according to claim 1, it is characterised in that
The configuration part when the target charge rate is set in units of the time period, for electric power consumption is than other times section
The high time period, set the target charge rate less than the other times section.
4. power storage controller according to claim 1, it is characterised in that
Generating unit is further equipped with, the generating unit is generated from the electric energy of transformer station's supply supply object and described
The prediction data of the remaining regenerative electric energy in each time period of the electrical storage device is supplied in the regenerated electric power of supply object output；
Charged according to the prediction data generated by the generating unit, the target for setting each time period the configuration part
Rate.
5. power storage controller according to claim 4, it is characterised in that
Data saving part is further equipped with, the data saving part is preserved in units of the time period in units of the situation of a day
Have recorded from transformer station supply it is described supply object electric energy and it is described supply object produce regenerative electric energy in it is recyclable
To the statistics of the remaining regenerative electric energy of the electrical storage device；
The generating unit is according to being stored in higher statistics related to the situation on the same day in the statistics of the data saving part
Data, generate the prediction data.
6. power storage controller according to claim 5, it is characterised in that
The generating unit as the same day situation, using season, week, weather, temperature and train operating conditions in it is any
More than one condition.
7. power storage controller according to claim 4, it is characterised in that
Simulation part is further equipped with, the simulation part is simulated to the supply object according to the timetable of the supply object
The regenerative electric energy produced from the electric energy loaded of transformer station and in the supply object；
The generating unit generates the prediction data of each time period according to the analog result of the simulation part.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014179439A JP6552796B2 (en) | 2014-09-03 | 2014-09-03 | Power storage control device |
| JP2014-179439 | 2014-09-03 | ||
| PCT/JP2015/066780 WO2016035408A1 (en) | 2014-09-03 | 2015-06-10 | Electricity storage control device |
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| CN106605346A true CN106605346A (en) | 2017-04-26 |
| CN106605346B CN106605346B (en) | 2020-02-11 |
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| US (1) | US10807495B2 (en) |
| EP (1) | EP3190676B1 (en) |
| JP (1) | JP6552796B2 (en) |
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| WO (1) | WO2016035408A1 (en) |
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| CN112298290A (en) * | 2019-07-31 | 2021-02-02 | 比亚迪股份有限公司 | Train operation control method and device and non-transitory computer readable storage medium |
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| WO2017085915A1 (en) * | 2015-11-18 | 2017-05-26 | パナソニックＩｐマネジメント株式会社 | Received power control device and received power control method |
| JP6156667B1 (en) * | 2016-12-27 | 2017-07-05 | 富士電機株式会社 | Charge / discharge control device for power storage device and power storage system |
| US10625625B2 (en) | 2017-04-07 | 2020-04-21 | Honda Motor Co., Ltd. | System and method for creating a charging schedule for an electric vehicle |
| US10220718B2 (en) * | 2017-04-07 | 2019-03-05 | Honda Motor Co., Ltd. | System and method for creating a charging schedule for an electric vehicle |
| US20200198472A1 (en) * | 2017-05-04 | 2020-06-25 | Cummins Inc. | Systems and methods for hybrid electric vehicle battery state of charge reference scheduling |
| WO2019163035A1 (en) * | 2018-02-21 | 2019-08-29 | 三菱電機株式会社 | Energy-saving control device, energy-saving control system, energy-saving control method, and program |
| CN108773299B (en) * | 2018-06-06 | 2021-06-29 | 安徽施耐德成套电气有限公司 | Power management system for electrified rail transit |
| PL3853623T3 (en) * | 2018-10-16 | 2022-11-14 | Siemens Mobility GmbH | Battery monitoring process in a rail vehicle |
| DE102020206419B4 (en) * | 2020-05-22 | 2022-07-07 | Volkswagen Aktiengesellschaft | Method and device for operating a hybrid vehicle |
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| EP3190676A1 (en) | 2017-07-12 |
| WO2016035408A1 (en) | 2016-03-10 |
| CN106605346B (en) | 2020-02-11 |
| JP6552796B2 (en) | 2019-07-31 |
| EP3190676A4 (en) | 2018-04-18 |
| US10807495B2 (en) | 2020-10-20 |
| EP3190676B1 (en) | 2020-03-25 |
| US20170267118A1 (en) | 2017-09-21 |
| JP2016054609A (en) | 2016-04-14 |
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